Add latest node releases to network upgrades docs (#474)

Author: decofe

src/pages/guide/node/network-upgrades.mdx

@@ -15,7 +15,9 @@ For detailed release notes and binaries, see the [Changelog](/changelog).
 
 | Release | Date | Network | Description | Priority |
 |---------|------|---------|-------------|----------|
-| v1.8.0 | Targeted for May 27, 2026 | Testnet + Mainnet | Required for T5; introduces the enshrined TIP-20 reserve channel precompile, payment lane classification, DEX flip-order improvements, multihop FeeAMM routing, optional on-chain TIP-20 `logoURI`, implicit approvals, and key authorization witnesses. | <Badge variant="red">Required</Badge> |
+| [v1.8.1](https://github.com/tempoxyz/tempo/releases/tag/v1.8.1) | Jun 1, 2026 | Testnet + Mainnet | Required for T5; reverts builder prewarming and execution cache sharing defaults from v1.8.0 to avoid stale-state validation errors while retaining T5 compatibility. | <Badge variant="red">Required</Badge> |
+| [v1.8.0](https://github.com/tempoxyz/tempo/releases/tag/v1.8.0) | May 28, 2026 | Testnet + Mainnet | Required for T5; introduces the enshrined TIP-20 reserve channel precompile, payment lane classification, DEX flip-order improvements, multihop FeeAMM routing, optional on-chain TIP-20 `logoURI`, implicit approvals, and key authorization witnesses. Operators should use v1.8.1 for the latest defaults. | <Badge variant="red">Required</Badge> |
+| [v1.7.1](https://github.com/tempoxyz/tempo/releases/tag/v1.7.1) | May 21, 2026 | Moderato + Mainnet | Adds validator migration support for minimal snapshots, trustless RPC certificate checks on Moderato, and automatic pruning for finalized consensus blocks. | <Badge variant="yellow">Recommended</Badge> |
 | [v1.7.0](https://github.com/tempoxyz/tempo/releases/tag/v1.7.0) | Mon, May 11, 2026 | Moderato + Mainnet | Required for T4; embeds consensus context into the block header to unlock deferred verification (TIP-1031) and bundles T4 bug fixes and security hardening (TIP-1046). | <Badge variant="red">Required</Badge> |
 | [v1.6.0](https://github.com/tempoxyz/tempo/releases/tag/v1.6.0) | Apr 16, 2026 | Moderato + Mainnet | Required for T3; implements enhanced access key permissions with periodic limits and call scoping (TIP-1011), the signature verification precompile (TIP-1020), and virtual addresses for TIP-20 deposit forwarding (TIP-1022). | <Badge variant="red">Required</Badge> |
 | [v1.5.3](https://github.com/tempoxyz/tempo/releases/tag/v1.5.3) | Apr 9, 2026 | Moderato + Mainnet | Patch release that restores OTLP HTTPS telemetry and fixes an epoch-transition consensus race that could incorrectly block straggling peers. Validators that skipped v1.5.2 should upgrade directly to this release. | <Badge variant="yellow">Recommended</Badge> |
@@ -42,7 +44,7 @@ For detailed release notes and binaries, see the [Changelog](/changelog).
 | **Scope** | Enshrined TIP-20 reserve channel precompile; payment lane classification; DEX same-tick flip orders and persistent order IDs across flips; multihop FeeAMM routing; optional on-chain TIP-20 `logoURI`; implicit approvals; and key authorization witnesses |
 | **TIPs** | [TIP-1034: Enshrined TIP-20 Reserve Channel](https://github.com/tempoxyz/tempo/blob/main/tips/tip-1034.md), [TIP-1045: Payment Lane Classification](https://github.com/tempoxyz/tempo/blob/main/tips/tip-1045.md), [TIP-1030: Allow Same-Tick Flip Orders](https://github.com/tempoxyz/tempo/blob/main/tips/tip-1030.md), [TIP-1056: Keep Order IDs Across Flips](https://github.com/tempoxyz/tempo/blob/main/tips/tip-1056.md), [TIP-1033: Multihop FeeAMM Routing](https://github.com/tempoxyz/tempo/blob/main/tips/tip-1033.md), [TIP-1026: Optional logoURI Field in TIP-20](https://github.com/tempoxyz/tempo/blob/main/tips/tip-1026.md), [TIP-1035: Implicit Approvals List](https://github.com/tempoxyz/tempo/blob/main/tips/tip-1035.md), [TIP-1053: Witness Digest in Key Authorizations](https://github.com/tempoxyz/tempo/blob/main/tips/tip-1053.md) |
 | **Details** | [T5 network upgrade](/protocol/upgrades/t5) |
-| **Release** | v1.8.0 (targeted for May 27, 2026) |
+| **Release** | [v1.8.1](https://github.com/tempoxyz/tempo/releases/tag/v1.8.1) |
 | **Testnet** | June 3, 2026 16:00 CEST (unix: 1780495200) |
 | **Mainnet** | June 9, 2026 16:00 CEST (unix: 1781013600) |
 | **Priority** | <Badge variant="red">Required</Badge> |